Classifications

• • C—CHEMISTRY; METALLURGY
  • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
  • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
  • C09B57/00—Other synthetic dyes of known constitution
  • C09B57/12—Perinones, i.e. naphthoylene-aryl-imidazoles
• • C—CHEMISTRY; METALLURGY
  • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
  • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
  • C08K5/00—Use of organic ingredients
  • C08K5/16—Nitrogen-containing compounds
  • C08K5/34—Heterocyclic compounds having nitrogen in the ring
  • C08K5/3442—Heterocyclic compounds having nitrogen in the ring having two nitrogen atoms in the ring
  • C08K5/3462—Six-membered rings
  • C08K5/3465—Six-membered rings condensed with carbocyclic rings
• • C—CHEMISTRY; METALLURGY
  • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
  • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
  • C08K5/00—Use of organic ingredients
  • C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
  • C08K5/41—Compounds containing sulfur bound to oxygen
  • C08K5/42—Sulfonic acids; Derivatives thereof
• • C—CHEMISTRY; METALLURGY
  • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
  • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
  • C08K5/00—Use of organic ingredients
  • C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
  • C08K5/43—Compounds containing sulfur bound to nitrogen

Definitions

• the invention relates to perinone dyes, a process for their preparation and their Use for mass coloring plastics.
• Perinone dyes e.g. as 2,3-naphthaloperinones in JP-A-4 909 530 and JP-A-4 909 552 or as 1,8-naphthaloperinones in FR-A-1.166.701 and FR-A-1.075.110 ( ⁇ GB-A-730 692) are described for coloring plastics known, but have certain disadvantages in terms of their authenticity on.
• n and m are 0.
• the dyes of the formula (I) according to the invention can be prepared according to known per se Methods (see e.g. D.R.P 202 354, Chem. Ber. 75 (1942), 719; Liebigs Ann.
• the condensation can be made more directly by melting equimolar Amounts of the components of formulas (II) and (III) at temperatures between 50 ° C and 220 ° C, preferably at 120 to 180 ° C, or more advantageously in a solvent at temperatures between 20 ° C and 220 ° C, preferably 50 to 180 ° C, optionally under pressure, with a distillative Removal of the water of reaction can take place.
• Suitable solvents are, for example: chlorobenzene, o-dichlorobenzene, trichlorobenzene, Xylene, dimethylformamide, N-methylpyrrolidone, glacial acetic acid, propionic acid, Phenol, cresols, phenoxyethanol, glycols and their mono- and dialkyl alcohols, e.g. Methanol, ethanol, i-propanol, water and aqueous solvents such as. dilute sulfuric acid.
• reaction can be carried out with the addition of an acidic catalyst.
• Suitable catalysts are, for example: zinc chloride, p-toluenesulfonic acid, Hydrochloric acid, sulfuric acid, organic acids.
• the reaction generally takes place under normal pressure, if appropriate it can however, also carried out at elevated pressure, preferably between 1 and 40 bar will.
• naphthalene-1,2-dicarboxylic acids can e.g. according to Chem. Ber. 65 (1932), 1388; ibid. 73 (1940), 19; Liebigs Ann. Chem. 595 (1955), 1; ibid. 684 (1965), 127; J.Am. Soc. 57 (1935), 1851; ibid. 60 (1938), 951; ibid. 67: 345 (1945); ibid. 70 (1948), 2748; ibid. 72 (1950), 1035; J. Org. Chem. 27 (1962), 5; ibid. 29 (1964), 2261; ibid. 32 (1967), 784; ibid.
• Chlorinated or brominated naphthalene-1,2-dicarboxylic acid derivatives can also by Implementation of substituted or unsubstituted naphthalene-1,2-dicarboxylic acids with chlorine or bromine, optionally in the presence of Lewis acids such as e.g. Iron, aluminum or zinc halides, iron powder, etc. in the melt or in an inert solvent such as e.g. Carbon tetrachloride, tetrachloroethane, Nitrobenzene, o-dichlorobenzene, carbon disulfide etc. be won.
• Lewis acids such as e.g. Iron, aluminum or zinc halides, iron powder, etc. in the melt or in an inert solvent such as e.g. Carbon tetrachloride, tetrachloroethane, Nitrobenzene, o-dichlorobenzene, carbon disulfide etc.
• the substituted naphthalene-1,8-diamines used can be e.g. after D.R.P 122 475; D.R.P 108 166; J. Chem. Soc. (1932) 2310; ibid. (1936), 556, 1338; ibid. (1945), 454, 543; ibid. (1951) 221; J. Prakt. Chem. 94 (1916), 45; Compt. red. 224 (1947), 1569; On. Soc. espan. 31 (1933), 861, 876; J. Org. Chem. 24 (1959), 214 i.a. or in analogy.
• substitution exchange is the exchange of a hydrogen or other ligand by a substituent, e.g. by means of chlorination, bromination, sulfonation, Chlorosulfonation or nitration as well as the modification of substituents understood, as exemplified below.
• Dyes of the formula (I) in which X and / or Y represent an alkyl or arylaminosulfonyl radical can also be used in addition to the first-mentioned method the corresponding dyes of the formula (I) in which X and / or Y is a chlorosulfonyl radical mean represent with alkyl or arylamines.
• Dyes according to the invention in which X and / or Y are equal to an aryloxysulfonyl radical are, can also by reacting the corresponding chlorosulfonyl dyes with phenols or naphthols in the presence of a base, e.g. Pyridine, Triethylamine, alkali or alkaline earth carbonates, hydroxides or oxides be won.
• a base e.g. Pyridine, Triethylamine, alkali or alkaline earth carbonates, hydroxides or oxides be won.
• Dyes of the formula (I) in which X and / or Y represent alkyloxy or acyloxy can additionally by alkylation or acylation of the dyes according to the invention, in which X and / or Y represent a hydroxy group.
• Those dyes of the formula (I) with X and / or Y are optionally acylated or alkylated amino group can also by reduction with conventional Reducing agents, e.g. Iron, zinc, sodium sulfide, hydrogen etc. of the corresponding compounds in which X and / or Y represent a nitro group, and optionally subsequent acylation or alkylation can be obtained.
• the acylation step can also be carried out in the course of the reduction by adding a Acylating agent take place.
• the dyes according to the invention are outstandingly suitable for dyeing plastics in bulk.
• Mass coloring is understood to mean in particular methods in which the Dye is incorporated into the molten plastic mass, e.g. under With the help of an extruder, or where the dye is already the starting components for the production of the plastic, e.g. Monomers before polymerization, is added.
• thermoplastics for example vinyl polymers, Polyester and polyamide.
• Suitable vinyl polymers are polystyrene, styrene-acrylonitrile copolymers, styrene-butadiene copolymers, Styrene-butadiene-acrylonitrile terpolymers, polymethacrylate.
• polyesters are: polyethylene terephthalates, polycarbonates and Cellulose esters.
• Polystyrene, styrene copolymers, polycarbonates and polymethacrylate are preferred. Polystyrene is particularly preferred.
• the high-molecular compounds mentioned can be used individually or in mixtures, exist as plastic masses or melts.
• the dyes of the invention are used in finely divided form brought, wherein dispersants can be used but do not have to.
• the dyes (I) are used after the polymerization, they are mixed with the Plastic granules are mixed or ground dry and this mixture e.g. on Mixing rollers or plasticized in screws and homogenized. One can see the dyes but also add to the molten mass and stir it distribute homogeneously.
• the material thus pre-colored is then, as usual, e.g. by Spinning to bristles, threads etc. or by extrusion or by injection molding processed into molded parts.
• the dyes of formula (I) compared to polymerization catalysts, in particular Peroxides, are resistant, it is also possible to use the dyes add monomeric starting materials for the plastics and then in To polymerize the presence of polymerization catalysts. To do this, the Dyes preferably dissolved in the monomeric components or with them intimately mixed.
• the dyes of the formula (I) are preferably used for dyeing the above Polymers in amounts of 0.0001 to 1% by weight, in particular 0.01 to 0.5% by weight, based on the amount of polymer used.
• pigments that are insoluble in the polymers e.g. Titanium dioxide
• corresponding valuable muted stains can be obtained.
• Titanium dioxide can be present in an amount of 0.01 to 10% by weight, preferably 0.1 to 5 wt .-%, based on the amount of polymer, are used.
• the process according to the invention gives transparent or covered ones brilliant, yellowish red to violet colors with good heat resistance as well good light and weather fastness.
• the invention is illustrated, but not limited to the following examples, in where the parts are given by weight, percentages by weight (% By weight) and Z is a radical to complete a 1,2-naphthylene system is.
• 100 parts of a commercially available polycarbonate are in the form of granules dry mixed with 0.03 parts of the dye from Example A). That so Dusted granules are homogenized on a twin-screw extruder at 290 ° C. A transparent red color with good light fastness is obtained.
• the colored polycarbonate is discharged as a strand from the extruder and closed Granules processed.
• the granules can be processed according to the usual methods Packaging thermoplastic masses are processed.
• 0.05 part of tert-dodecyl mercaptan and 0.05 part of the dye from Example A) are dissolved in 98.9 parts of styrene.
• This solution is dispersed in a solution of 200 parts of deionized water, 0.3 part of partially saponified polyvinyl acetate (for example Mowiol® 50/88 from Hoechst) and 0.05 part of dodecylbenzenesulfonate.
• the dispersion is heated to 80 ° C. with vigorous stirring and the polymerization is started.
• the polymer When using the following polymerization conditions: 4 h at 80 ° C, 2 h at 90 ° C, 3 h at 110 ° C, 2 h at 130 ° C, the polymer is obtained in a yield of 98% of theory.
• the polymer is obtained in the form of beads which, depending on the stirring conditions, have a diameter of 0.1 to 1.5 mm (D 50 value).
• the polymer is separated from the serum by filtration and dried at 110 ° C. to a residual moisture of 0.5%. After melting in a mixing unit (hot roller), 0.5% zinc stearate and 0.2% ionol are mixed in and the polymer is granulated.
• the polymer can be prepared by the usual methods of thermoplastic Deformation, e.g. in the injection molding process, to red, transparent molded parts are processed.
• Extruders are 3 parts by weight of ionol and 5 parts by weight of octyl alcohol per 1000 parts by weight of polymer solution are metered in, the polymer is degassed and then granulated. The red colored granulate can be processed into molded parts will.
• Example A In 99.97 parts of methyl methacrylate, 0.03 part of the dye is removed Example A) solved. After adding 0.1 part of dibenzoyl peroxide Solution heated to 120 ° C and the polymerization started. After 30 min. the polymerized methyl methacrylate between two glass plates Polymerized 80 ° C for ten hours. You get red, transparent Polymethyl methacrylate sheets.
• the residence time in the extruder can be up to without impairing the color 30 minutes.
• the dyes described in Table 1 are obtained from the compounds of the formulas (II) and (III), which are colored in plastics in accordance with Example 1B a) -l) and which are given in Table 1 Achieve color tones.
• the dyeing is carried out analogously to Example 1B, with bluish red dyeings obtained from excellent lightfastness.
• the dye of those given above is obtained in an analogous manner, for example 66 Formula with 11.0% sulfur content if you replace the methylamine solution 25 parts of a 30% aqueous dimethylamine solution is used. Yield: 3.1 parts.
• This dye colors plastics according to Example 1B a) -l) in yellowish red Nuances.

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• Chemical & Material Sciences (AREA)
• Organic Chemistry (AREA)
• Health & Medical Sciences (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Medicinal Chemistry (AREA)
• Polymers & Plastics (AREA)
• Compositions Of Macromolecular Compounds (AREA)
• Coloring (AREA)

Applications Claiming Priority (2)

Publications (3)

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• 1992
  • 1992-05-21 DE DE4216761A patent/DE4216761A1/de not_active Withdrawn
• 1993
  • 1993-05-10 EP EP93107561A patent/EP0570800B1/de not_active Expired - Lifetime
  • 1993-05-10 DE DE59308998T patent/DE59308998D1/de not_active Expired - Fee Related
  • 1993-05-20 JP JP13989893A patent/JP3319626B2/ja not_active Expired - Fee Related
• 1994
  • 1994-12-01 US US08/348,510 patent/US5466805A/en not_active Expired - Lifetime

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